Brendan O'Hara Elections won
Parliament Member page for Brendan O'Hara
Elections listed as contested and won are those forming part of the general elections in 2010, 2015, 2017, 2019 or 2024 and any by-election contested during the 57th and 58th Parliaments. A person may have contested and won an election outside this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Majority |
| 4 July 2024 | Argyll, Bute and South Lochaber | General election | SNP | 15,582 | 34.7% | 6,232 |
| 12 December 2019 | Argyll and Bute | General election | SNP | 21,040 | 43.8% | 4,110 |
| 8 June 2017 | Argyll and Bute | General election | SNP | 17,304 | 36.0% | 1,328 |
| 7 May 2015 | Argyll and Bute | General election | SNP | 22,959 | 44.3% | 8,473 |
Maiden speech
Brendan O'Hara made their maiden speech on 27 May 2015, as the Scottish National Party member for Argyll and Bute. The speech took place in the 1st session of the 56th Parliament.